Red
A prehistoric POKéMON that died out when its heavy shell made it impossible to catch prey.
Blue
A prehistoric POKéMON that died out when its heavy shell made it impossible to catch prey.
Yellow
Sharp beaks ring its mouth. Its shell was too big for it to move freely, so it became extinct.
Gold
Apparently, it cracked SHELLDER's shell with its sharp fangs and sucked out the insides.
Silver
Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Crystal
Its heavy shell allowed it to reach only nearby food. This could be the reason it is extinct.
Ruby
OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Sapphire
OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Emerald
An OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large, making its movements slow and ponderous.
Fire Red
Its tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
Leaf Green
Despite having strong fangs and tentacles, it went extinct when its heavy shell made it unable to catch prey.
Diamond
It is thought that this Pokémon became extinct because its spiral shell grew too large.
Pearl
It is thought that this Pokémon became extinct because its spiral shell grew too large.
Platinum
It is thought that this Pokémon became extinct because its spiral shell grew too large.
Heart Gold
Apparently, it cracked SHELLDER’s shell with its sharp fangs and sucked out the insides.
Soul Silver
Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Black
It is thought that this Pokémon became extinct because its spiral shell grew too large.
White
It is thought that this Pokémon became extinct because its spiral shell grew too large.
Black 2
It is thought that this Pokémon became extinct because its spiral shell grew too large.
White 2
It is thought that this Pokémon became extinct because its spiral shell grew too large.
X
Its tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
Y
Once wrapped around its prey, it never lets go. It eats the prey by tearing at it with sharp fangs.
Omega Ruby
Omastar uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Alpha Sapphire
Omastar uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Ultra Sun
Its heavy shell is thought to be the reason this ancient Pokémon died out. It’s apparently a distant ancestor of Octillery.
Ultra Moon
It wraps its prey in its tentacles to immobilize them and then finishes them off with its sharp fangs.
Let's Go Pikachu
Its sharp beak rings its mouth. Its shell was too big for it to move freely, so it became extinct.
Let's Go Eevee
Its sharp beak rings its mouth. Its shell was too big for it to move freely, so it became extinct.
Sword
Weighed down by a large and heavy shell, Omastar couldn’t move very fast. Some say it went extinct because it was unable to catch food.
Shield
Omastar’s sharp fangs could crush rock, but the Pokémon can attack only the prey that come within reach of its tentacles.
